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发明名称
Improvements in machines for operating on metal stock by rollers
摘要
申请公布号
GB682331(A)
申请公布日期
1952.11.05
申请号
GB19490025281
申请日期
1949.10.01
申请人
JOSHUA BIGWOOD & SON, LIMITED
发明人
TINLEY ERNEST LAMBERT;HALLETT HENRY ALBERT
分类号
B21D5/14
主分类号
B21D5/14
代理机构
代理人
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